<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="content-type" content="text/html; charset=ISO-8859-1" />
<title>Logger xref</title>
<link type="text/css" rel="stylesheet" href="../../../../../stylesheet.css" />
</head>
<body>
<div id="overview"><a href="../../../../../../apidocs/com/totsp/gwittir/client/log/Logger.html">View Javadoc</a></div><pre>

<a name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a name="2" href="#2">2</a>   <em class="jxr_comment"> * Logger.java</em>
<a name="3" href="#3">3</a>   <em class="jxr_comment"> *</em>
<a name="4" href="#4">4</a>   <em class="jxr_comment"> * Created on October 5, 2007, 9:47 AM</em>
<a name="5" href="#5">5</a>   <em class="jxr_comment"> *</em>
<a name="6" href="#6">6</a>   <em class="jxr_comment"> * To change this template, choose Tools | Template Manager</em>
<a name="7" href="#7">7</a>   <em class="jxr_comment"> * and open the template in the editor.</em>
<a name="8" href="#8">8</a>   <em class="jxr_comment"> */</em>
<a name="9" href="#9">9</a>   
<a name="10" href="#10">10</a>  <strong class="jxr_keyword">package</strong> com.totsp.gwittir.client.log;
<a name="11" href="#11">11</a>  
<a name="12" href="#12">12</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.core.client.GWT;
<a name="13" href="#13">13</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.user.client.rpc.AsyncCallback;
<a name="14" href="#14">14</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.user.client.rpc.ServiceDefTarget;
<a name="15" href="#15">15</a>  <strong class="jxr_keyword">import</strong> com.totsp.gwittir.client.log.remote.LogService;
<a name="16" href="#16">16</a>  <strong class="jxr_keyword">import</strong> com.totsp.gwittir.client.log.remote.LogServiceAsync;
<a name="17" href="#17">17</a>  <strong class="jxr_keyword">import</strong> java.util.HashMap;
<a name="18" href="#18">18</a>  
<a name="19" href="#19">19</a>  <em class="jxr_javadoccomment">/**</em>
<a name="20" href="#20">20</a>  <em class="jxr_javadoccomment"> *</em>
<a name="21" href="#21">21</a>  <em class="jxr_javadoccomment"> * @author &lt;a href="<a href="mailto:cooper@screaming-penguin.com" target="alexandria_uri">mailto:cooper@screaming-penguin.com</a>"&gt;Robert "kebernet" Cooper&lt;/a&gt;</em>
<a name="22" href="#22">22</a>  <em class="jxr_javadoccomment"> */</em>
<a name="23" href="#23">23</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../com/totsp/gwittir/client/log/Logger.html">Logger</a> {
<a name="24" href="#24">24</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../com/totsp/gwittir/client/log/remote/LogServiceAsync.html">LogServiceAsync</a> SERVICE = (LogServiceAsync) GWT.create( LogService.<strong class="jxr_keyword">class</strong> );
<a name="25" href="#25">25</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> HashMap LOGGERS = <strong class="jxr_keyword">new</strong> HashMap();
<a name="26" href="#26">26</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String ANON = <span class="jxr_string">"Anon"</span> + Math.random();
<a name="27" href="#27">27</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> AsyncCallback CALLBACK = <strong class="jxr_keyword">new</strong> AsyncCallback(){
<a name="28" href="#28">28</a>          <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> onSuccess(Object result) {
<a name="29" href="#29">29</a>          }
<a name="30" href="#30">30</a>          
<a name="31" href="#31">31</a>          <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> onFailure(Throwable caught) {
<a name="32" href="#32">32</a>              GWT.log( <span class="jxr_string">"Unable to log to remote serivce."</span>, caught );
<a name="33" href="#33">33</a>              
<a name="34" href="#34">34</a>          }
<a name="35" href="#35">35</a>          
<a name="36" href="#36">36</a>      };
<a name="37" href="#37">37</a>      
<a name="38" href="#38">38</a>      <strong class="jxr_keyword">static</strong>{
<a name="39" href="#39">39</a>          ((ServiceDefTarget) SERVICE).setServiceEntryPoint( GWT.getModuleBaseURL()+<span class="jxr_string">"LogService"</span>);
<a name="40" href="#40">40</a>      }
<a name="41" href="#41">41</a>      
<a name="42" href="#42">42</a>      <strong class="jxr_keyword">private</strong> String name;
<a name="43" href="#43">43</a>      
<a name="44" href="#44">44</a>      <em class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> Creates a new instance of <a href="../../../../../com/totsp/gwittir/client/log/Logger.html">Logger</a> */</em>
<a name="45" href="#45">45</a>      <strong class="jxr_keyword">protected</strong> <a href="../../../../../com/totsp/gwittir/client/log/Logger.html">Logger</a>() {
<a name="46" href="#46">46</a>          <strong class="jxr_keyword">super</strong>();
<a name="47" href="#47">47</a>      }
<a name="48" href="#48">48</a>      
<a name="49" href="#49">49</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <a href="../../../../../com/totsp/gwittir/client/log/Logger.html">Logger</a> getLogger(String name){
<a name="50" href="#50">50</a>          <strong class="jxr_keyword">if</strong>( name == <strong class="jxr_keyword">null</strong> ){
<a name="51" href="#51">51</a>              <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException(<span class="jxr_string">"Logger name cannot be null."</span>);
<a name="52" href="#52">52</a>          }
<a name="53" href="#53">53</a>          <a href="../../../../../com/totsp/gwittir/client/log/Logger.html">Logger</a> logger = (Logger) LOGGERS.get(name);
<a name="54" href="#54">54</a>          <strong class="jxr_keyword">if</strong>( logger == <strong class="jxr_keyword">null</strong> ){
<a name="55" href="#55">55</a>              logger = (Logger) GWT.create( Logger.<strong class="jxr_keyword">class</strong> );
<a name="56" href="#56">56</a>              logger.name = name;
<a name="57" href="#57">57</a>              LOGGERS.put( name, logger );
<a name="58" href="#58">58</a>          }
<a name="59" href="#59">59</a>          <strong class="jxr_keyword">return</strong> logger;
<a name="60" href="#60">60</a>      }
<a name="61" href="#61">61</a>      
<a name="62" href="#62">62</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <a href="../../../../../com/totsp/gwittir/client/log/Logger.html">Logger</a> getAnonymousLogger(){
<a name="63" href="#63">63</a>          <strong class="jxr_keyword">return</strong> getLogger( Logger.ANON );
<a name="64" href="#64">64</a>      }
<a name="65" href="#65">65</a>      
<a name="66" href="#66">66</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> log( <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">int</strong> level, <strong class="jxr_keyword">final</strong> String message, Throwable caught ){
<a name="67" href="#67">67</a>          <strong class="jxr_keyword">if</strong>( level &lt;= <strong class="jxr_keyword">this</strong>.getMaxLevel() ){
<a name="68" href="#68">68</a>              <strong class="jxr_keyword">if</strong>( !GWT.isScript() ){
<a name="69" href="#69">69</a>                  String line = <span class="jxr_string">"["</span>;
<a name="70" href="#70">70</a>                  <strong class="jxr_keyword">switch</strong>( level ){
<a name="71" href="#71">71</a>                      <strong class="jxr_keyword">case</strong> Level.ERROR:
<a name="72" href="#72">72</a>                          line+= <span class="jxr_string">"ERROR"</span>;
<a name="73" href="#73">73</a>                          <strong class="jxr_keyword">break</strong>;
<a name="74" href="#74">74</a>                      <strong class="jxr_keyword">case</strong> Level.WARN:
<a name="75" href="#75">75</a>                          line+= <span class="jxr_string">"WARN"</span>;
<a name="76" href="#76">76</a>                          <strong class="jxr_keyword">break</strong>;
<a name="77" href="#77">77</a>                      <strong class="jxr_keyword">case</strong> Level.INFO:
<a name="78" href="#78">78</a>                          line+= <span class="jxr_string">"INFO"</span>;
<a name="79" href="#79">79</a>                          <strong class="jxr_keyword">break</strong>;
<a name="80" href="#80">80</a>                      <strong class="jxr_keyword">case</strong> Level.DEBUG:
<a name="81" href="#81">81</a>                          line+= <span class="jxr_string">"DEBUG"</span>;
<a name="82" href="#82">82</a>                          <strong class="jxr_keyword">break</strong>;
<a name="83" href="#83">83</a>                      <strong class="jxr_keyword">case</strong> Level.SPAM:
<a name="84" href="#84">84</a>                          line+= <span class="jxr_string">"SPAM"</span>;
<a name="85" href="#85">85</a>                          <strong class="jxr_keyword">break</strong>;
<a name="86" href="#86">86</a>                      <strong class="jxr_keyword">default</strong>:
<a name="87" href="#87">87</a>                          <strong class="jxr_keyword">break</strong>;
<a name="88" href="#88">88</a>                  }
<a name="89" href="#89">89</a>                  line +=<span class="jxr_string">"] "</span>+ <strong class="jxr_keyword">this</strong>.name+<span class="jxr_string">" "</span>+ message;
<a name="90" href="#90">90</a>                  GWT.log( line, caught );
<a name="91" href="#91">91</a>              } <strong class="jxr_keyword">else</strong> {
<a name="92" href="#92">92</a>                  String caughtString = caught == <strong class="jxr_keyword">null</strong> ? <strong class="jxr_keyword">null</strong> : caught.toString();
<a name="93" href="#93">93</a>                  <strong class="jxr_keyword">while</strong>( caught !=<strong class="jxr_keyword">null</strong> &amp;&amp; caught.getCause() != <strong class="jxr_keyword">null</strong> ){
<a name="94" href="#94">94</a>                      caughtString +=<span class="jxr_string">"\n caused by: "</span> + caught.getCause().toString();
<a name="95" href="#95">95</a>                      caught = caught.getCause();
<a name="96" href="#96">96</a>                  }
<a name="97" href="#97">97</a>                  Logger.SERVICE.log( level, <strong class="jxr_keyword">this</strong>.name, message, caughtString, Logger.CALLBACK );
<a name="98" href="#98">98</a>              }
<a name="99" href="#99">99</a>          }
<a name="100" href="#100">100</a>     }
<a name="101" href="#101">101</a>     
<a name="102" href="#102">102</a>     <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">int</strong> getMaxLevel();
<a name="103" href="#103">103</a> }
</pre>
<hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body>
</html>

